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High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.

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Showing 16 to 22 of 22
This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?
High School
Science Fair Project Ideas
How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.
Science Fair Project Ideas
Twelfth Grade
What is the Doppler Effect, or the Doppler Shift?  The purpose of this science fair project is to determine how distance impacts the Doppler Effect.
High School
Science Fair Project Ideas
Garlic has a distinctive smell health benefits. The purpose of this science fair project is to determine whether garlic inhibits the growth of bacteria.
High School
Science Fair Project Ideas
The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.
High School
Science Fair Project Ideas
The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.
High School
Science Fair Project Ideas
The objective of this science fair project is to determine whether electric power can be generated from fruits to power a light bulb and a buzzer.
High School
Science Fair Project Ideas

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